/Engine/Source/Editor/SequenceRecorder/Public/ISequenceRecorder.h
Play the current single node instance on the PreviewComponent from time [0, GetLength()], and record to NewAsset
bool RecordSingleNodeInstanceToAnimation ( [USkeletalMeshComponent](API\Runtime\Engine\Components\USkeletalMeshComponent) * PreviewComponent, [UAnimSequence](API\Runtime\Engine\Animation\UAnimSequence) * NewAsset, bool bShowMessage )